Benchmark BSE Sensex on Thursday crashed over 1,030 points to slip below the key 34,000-mark in early trade, tracking a global sell-off as the rupee hit yet another record low of 74.45 against the US dollar.

Traders attributed the carnage in domestic bourses to the sell-off in international bourses after US stocks tumbled on heavy correction in tech stocks, fresh concerns over Fed rate hike and looming impact of the US' trade war with the China.

Elsewhere in Asia, Japan's Nikkei plunged 3.41 per cent, Hong Kong's Hang Seng lost 3.53 per cent, Singapore exchange was down 2.64 per cent and the Korean bourse fell 2.28 per cent in late morning deals.

The US Dow Jones Industrial Average slumped 3.15 per cent Wednesday, its biggest fall since February.